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Electrical Current location:Shanghai Technical By-Products Int'l Corp. Co., Ltd. 上海德普茨国际贸易有限公司 > Electrical
Dog Bones
 
STBPI can supply Dog Bones. Depending on customer requirements of quality and price, we can offer the right product quality to meet your application. These products are widely used in Electrical Industries.
 
PRODUCT DESCRIPTION
This product is based on UL recognized heat-resistant resin and reinforced by non-alkali glass fiber or non-alkali glass cloth. Its thermal index is H.
 
FEATURES & BENEFITS    High-temperature resistance            High mechanical strength            Good corrosion and moisture resistance
 
TYPICAL APPLICATIONS
1      Swallowtail spacer of class H dry transformer
2      Shape available: T shape supporting brace, H and I shape bar. Dog Bone.
 
TYPICAL PROPERTIES
No   Item                                                                                                          Unit                            Standard
1    Appearance                                                                                                 -                Smooth surface, no air bubble and crack
2    Density                                                                                                       g/cm3                          1.75-1.95
3    Water absorption                                                                                       %                              ≤0.5
4    Mold shrinking rate                                                                                   %                              ≤0.15
5    Heat distortion temperature(1.8Mpa)                                                    ºC                               ≥240
6    Impact strength (free beam, no gap)                                                    KJ/m2                          ≥90
7    Bending strength                                                                                     MPa                              ≥260
8    Insulated (Normal state)                                                                          Ω                                 ≥1.0×1013
                       (Immersed in water for 24h)                                                                                       ≥1.0×1012
9     Electric strength (immersed in transformer oil in 90ºC)                 MV/m                             ≥12.0
10 Dielectric loss factors:(1MHZ)                                                                 -                                   ≤0.015
11 Relative dielectric constant (1MHZ)                                                        -                                   ≤4.8
12 Arc resistance                                                                                              S                                ≥180
13 Proof tracking index(PTI)                                                                          -                                    ≥600
14 Flame Rating                                                                                           class                               FV0

                                                                                                    

 

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